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VLSM calculator

Free with limits

Split a network between departments without waste. Paste your list from Excel.

0 of 10 free uses today

The network you'll split, for example 192.168.10.0/24.

Subnets

  • /26 · 64
  • /26 · 64
  • /28 · 16
  • /28 · 16
  • /29 · 8

Plan

Everything fitsLargest first (optimal)

Subnets

5 / 5

Network used

66 %

Efficiency

74 %

Free addresses

88

Map of 192.168.10.0/24

EmpleadosWi-Fi invitados
192.168.10.0192.168.10.255

Free blocks

SubnetHosts / capacityNetworkMaskHost rangeBroadcastSpare
Empleados60 / 62192.168.10.0/26255.255.255.192192.168.10.1 – 192.168.10.62192.168.10.632Open ›
Wi-Fi invitados40 / 62192.168.10.64/26255.255.255.192192.168.10.65 – 192.168.10.126192.168.10.12722Open ›
Servidores12 / 14192.168.10.128/28255.255.255.240192.168.10.129 – 192.168.10.142192.168.10.1432Open ›
Impresoras8 / 14192.168.10.144/28255.255.255.240192.168.10.145 – 192.168.10.158192.168.10.1596Open ›
Gestión5 / 6192.168.10.160/29255.255.255.248192.168.10.161 – 192.168.10.166192.168.10.1671Open ›

Export the plan

Export the plan to CSV, JSON (for the inventory) and Markdown

Available on the PRO plan.

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